<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <!-- import CSS -->
    <link rel="stylesheet" href="https://cdn.staticfile.org/element-ui/2.15.9/theme-chalk/index.css">
    <style>
        .el-header a {
            color: #666;
            text-decoration: none;
        }

        .el-menu.el-menu--horizontal {
            border: 0; /*去掉导航菜单 自带的边框*/
        }

        .el-table .el-table__cell {
            padding: 0; /*去掉表格自带的上下内边距*/
        }

        .el-table .cell {
            white-space: nowrap; /*设置文本不换行*/
            text-overflow: ellipsis; /*设置文本超出时，用省略号展示*/
        }
    </style>
</head>

<body>
<div id="app">
    <el-container>
        <el-header height="150px">
            <div style="width: 1200px;margin: 0 auto">
                <img src="imgs/logo.png" style="vertical-align: middle" width="300">
                <a href="/">首页</a>
                <el-divider direction="vertical"></el-divider>
                <a href="">热点资讯</a>
                <el-divider direction="vertical"></el-divider>
                <a href="">商家入驻</a>
                <el-divider direction="vertical"></el-divider>
                <a href="">社会招聘</a>
                <el-divider direction="vertical"></el-divider>
                <a href="">校园招聘</a>
                <el-divider direction="vertical"></el-divider>
                <a href="">帮助</a>
            </div>

            <div style="background-color: #0aa1ed">
                <el-menu @select="handleSelect" style="width: 1200px;margin: 0 auto"
                         mode="horizontal" background-color="#0aa1ed"
                         text-color="#fff" active-text-color="#fff">
                    <el-menu-item v-for="c in categoryArr" :index="c.id">{{c.name}}</el-menu-item>

                    <div style="float: right;position: relative;top: 10px">
                        <el-input type="text" v-model="wd">
                            <el-button @click="search()" slot="append" icon="el-icon-search"></el-button>
                        </el-input>
                    </div>
                </el-menu>
            </div>
        </el-header>

        <el-main style="width: 1200px;margin: 0 auto">
            <!--商品列表开始-->
            <el-row gutter="20">
                <el-col style="margin: 10px 0" span="6" v-for="p in productArr">
                    <el-card>
                        <a :href="'/detail.html?id='+p.id">
                            <img :src="p.url" width="100%" height="233px">
                        </a>

                        <a :href="'/detail.html?id='+p.id">
                            <p style="font-size: 14px;height: 30px">{{p.title}}</p>
                        </a>

                        <p>
                            <b>￥{{p.price}}</b> <s>{{p.oldPrice}}</s>
                            <span style="float: right">销量：{{p.saleCount}}件</span>
                        </p>
                    </el-card>
                </el-col>
            </el-row>
            <!--商品列表结束-->
        </el-main>

        <el-footer>
            <div style="height: 90px;background-image: url('imgs/wave.png')"></div>
            <div style="background-color: #282c30;text-align: center;color: #666;padding: 50px 0">
                <p>Copyright © 北京达内金桥科技有限公司版权所有 京ICP备12003709号-3 京公网安备 11010802029572号</p>
                <p>涵盖20余门课程体系，致力于打造权威的IT职业教育学习平台</p>
                <p>达内在线WWW.TMOOC.CN 专注于IT职业技能培训</p>
            </div>
        </el-footer>
    </el-container>
</div>

</body>
<script src="https://cdn.bootcdn.net/ajax/libs/axios/0.21.1/axios.min.js"></script>
<!-- import Vue before Element -->
<script src="https://cdn.staticfile.org/vue/2.6.14/vue.min.js"></script>
<!-- import JavaScript -->
<script src="https://cdn.staticfile.org/element-ui/2.15.9/index.min.js"></script>
<script>
    let v = new Vue({
        el: '#app',
        data: function () {
            return {
                categoryArr: [],
                productArr: [],
                wd: ""
            }
        },
        methods: {
            handleSelect(key, keyPath) {
                console.log("分类id=" + key);
                /*//跳转到结果页面，展示相关商品
                location.href = "/result.html?id=" + key;*/
                //解决上述注释代码带来的跳转页面闪动的问题
                axios.get("/product/category?id=" + key).then(function (response) {
                    v.productArr = response.data;
                })
            },
            search() {
                if (v.wd.trim() == "") {
                    alert("请输入搜索的关键字!")
                    return;
                }
                axios.get("/product/search?wd="+v.wd).then(function (response) {
                    v.productArr = response.data;
                })
            }
        },
        created: function () {
            //请求所有分类
            axios.get("/category/select").then(function (response) {
                v.categoryArr = response.data;
            })

            //判断地址栏中包含的是wd还是id
            if (location.search.indexOf("wd") != -1) { //包含wd，代表用户是点击搜索按钮过来的
                //发出搜索商品请求 例如：?wd=羽绒服
                axios.get("/product/search" + location.search).then(function (response) {
                    v.productArr = response.data;
                })
            } else { //包含id，代表用户点击分类过来的
                //通过地址栏中的分类id查询相关商品 例如：?id=2
                axios.get("/product/category" + location.search).then(function (response) {
                    v.productArr = response.data;
                })
            }
        }
    })
</script>
</html>